1013550523 has 8 divisors (see below), whose sum is σ = 1081006992. Its totient is φ = 946964736.

The previous prime is 1013550511. The next prime is 1013550539. The reversal of 1013550523 is 3250553101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1013550523 - 2⁵ = 1013550491 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1013550023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 215265 + ... + 219922.

It is an arithmetic number, because the mean of its divisors is an integer number (135125874).

Almost surely, 2^1013550523 is an apocalyptic number.

1013550523 is a deficient number, since it is larger than the sum of its proper divisors (67456469).

1013550523 is a wasteful number, since it uses less digits than its factorization.

1013550523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 435341.

The product of its (nonzero) digits is 2250, while the sum is 25.

The square root of 1013550523 is about 31836.3082501725. The cubic root of 1013550523 is about 1004.4965913601.

The spelling of 1013550523 in words is "one billion, thirteen million, five hundred fifty thousand, five hundred twenty-three".